Seek .(US:SKLTY) Di Yi Cai Jing·2025-08-21 07:19Core Insights - DeepSeek has officially released the upgraded model DeepSeek-V3.1, which features a hybrid reasoning architecture that supports both thinking and non-thinking modes [1] - The new model, DeepSeek-V3.1-Think, demonstrates improved thinking efficiency, providing answers in a shorter time compared to its predecessor DeepSeek-R1-0528 [1] - Enhanced agent capabilities have been achieved through post-training optimization, significantly improving performance in tool usage and agent tasks [1] Pricing Adjustments - Starting from September 6, 2025, the pricing for API calls on the DeepSeek open platform will be adjusted according to a new price list, with the cancellation of night-time discounts [2] - Until September 6, 2025, all API services will continue to be billed under the original pricing policy [4]